Certifying Your Onsite Wastewater Treatment System
The test procedures emphasize hydraulics and measure performance over time in parallel comparisons between a conventional gravel drain field and a gravelless trench. The standard applies to both newer technologies, which are tested in a laboratory, and technologies in use for 10 or more years, which are evaluated in the field.
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NSF International Announces New Southeast Michigan Lab, Expands Plastic Pipe Testing Capabilities
April 16, 2020
Clean Water Crusader Joseph Cotruvo Earns 2020 Environmental Health Award From NSF International and NEHA
July 30, 2020
United Poly Systems Earns First NSF Certification for HDPE Electrical Conduit
July 29, 2020
Louvre Hotels Group Controls Health Protocols in More Than 50 Countries by Enrolling in the Independent "Checked By NSF™" Program, From NSF International
July 24, 2020